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["1. Валеовом газопотоке нижний сбросной, " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " pérdida

2017-06-14View Original

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减压瓦斯罐底部放空阀,老是内漏,用过碳钢的闸阀、不锈钢的闸阀,一年最多换过三次,由于减顶瓦斯异味大,严重影响正常巡检。是不是减顶瓦斯油腐蚀性强,造成内漏,如何避免,用什么类型阀合适,求同行请教。
Reply #22017-06-15
靠虑装双阀,闸阀好一些。
Reply #32017-06-17
换个衬里的阀门,便宜;有条件的可以换个特材的。
Reply #42017-07-19
经常开开关阀门排液,容易因腐蚀(湿硫化氢)、阀槽积杂质(水平安装的阀门)等原因出现内漏。如果频繁,可以考虑加双阀,第一道阀常开,第二道阀关闭,即使两道阀门都内漏,则更换第二道阀门的风险就很小了。

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